PracticeDev/study_clang/ipc_test/unix_socket/tcp/server_tcp.cpp

91 lines
2.4 KiB
C++

/*************************************************************************
> File Name: ipc_tcp_server.cpp
> Author: TianLun Song
> Mail: songtianlun@frytea.com
> Blog: https://blog.frytea.com
> Created Time: Wed 13 Jan 2021 09:53:06 AM CST
************************************************************************/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <memory.h>
#include <unistd.h>
#include <stdio.h>
#include <iostream>
using namespace std;
const char* server_file = "/tmp/ipc_tcp_server.sock";
int main(int argc,char** argv)
{
int socket_fd = socket(AF_UNIX,SOCK_STREAM,0);
if (socket_fd < 0)
{
perror("socket");
return -1;
}
struct sockaddr_un addr;
memset(&addr,0,sizeof(addr));
addr.sun_family = AF_UNIX;
strcpy(addr.sun_path,server_file);
if (access(addr.sun_path,0) != -1)
{
remove(addr.sun_path);
}
if (bind(socket_fd,(sockaddr*)&addr,sizeof(addr)) < 0)
{
perror("bind");
return -1;
}
/* --------DIFF, ipc tcp only------------ */
if (listen(socket_fd,12) < 0)
{
perror("listen");
return -1;
}
/* ---------------end------------ */
struct sockaddr_un clientaddr;
socklen_t addrlen = sizeof(clientaddr);
char msg_buf[1024];
/* --------DIFF, ipc tcp only------------ */
int newcon = -1;
newcon = accept(socket_fd,(sockaddr*)&clientaddr,&addrlen);
if (newcon < 0)
{
perror("accept");
return -1;
}
/* ---------------end------------ */
while (1)
{
memset(msg_buf,'\0',1024);
int rsize = recv(newcon,msg_buf,sizeof(msg_buf),0);
if (rsize < 0)
{
perror("server recv error!");
break;
}
cout << "I'm Unix socket(TCP) server, recv a msg:" << msg_buf << " from: " << clientaddr.sun_path << endl;
strcpy(msg_buf, "OK,I got it!");
int ssize = send(newcon, msg_buf, sizeof msg_buf, 0);
if (ssize < 0)
{
perror("server send error!");
break;
}
sleep(1);
}
/* --------DIFF, ipc tcp only------------ */
if (close(newcon) < 0)
{
perror("close accept");
return -1;
}
/* ---------------end------------ */
if (close(socket_fd) < 0)
{
perror("close socket");
return -1;
}
return 0;
}